100 basis points is one percentage point(1 % ).
A unit that is equal to 1/100th of 1%, and is used to denote the change in a financial instrument. The basis point is commonly used for calculating changes in interest rates, equity indexes and the yield of a fixed-income security.
US stock markets recovered on Tuesday as the Federal Reserve slashed its main interest rate by 75 basis points – move made to reactivate the US economy.
Dow Jones Industrial Average rallied 420.41 points to close at 12,392.66, marking its biggest one-day point gain since July 2002.